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111044-01D
For more information, visit www.desatech.com
For more information, visit www.desatech.com
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TROUBLESHOOTING
Continued
OBSERVED PROBLEM
Burner does not light after ODS/pilot is lit
Delayed ignition of burner
Burner backfiring during combustion
Yellow flame during burner combustion
Slight smoke or odor during initial operation
Fireplace produces a whistling noise when
burner is lit
White powder residue forming within burner
box or on adjacent walls or furniture
POSSIBLE CAUSE
1. Burner orifice is clogged
2. Inlet gas pressure is too low
1. Manifold pressure is too low
2. Burner orifice is clogged
1. Burner orifice is clogged or damaged
2. Burner damaged
3. Low inlet gas pressure
4. Gas regulator defective
1. Not enough air
2. Gas regulator defective
1. Residues from manufacturing processes
1. Turning control knob to HI position
when burner is cold
2. Air in gas line
3. Air passageways on fireplace blocked
4. Dirty or partially clogged burner orifice
1. When heated, vapors from furniture pol-
ish, wax, carpet cleaners, etc. may turn
into white powder residue
REMEDY
1. Clean burner (see Cleaning and mainte-
nance, page 19) or replace burner orifice
2. Contact local propane/LP or natural gas
company
1. Contact local propane/LP or natural gas
company
2. Clean burner (see Cleaning and Mainte-
nance, page 19) or replace burner orifice
1. Clean burner (see Cleaning and Mainte-
nance, page 19) or replace burner orifice
2. Replace burner pressure
3. Contact local propane/LP or natural gas
company
4. Replace gas regulator
1. Check burner for dirt and debris. If
found, clean burner (see Cleaning and
Maintenance, page 19)
2. Replace gas regulator
1. Problem will stop after a few hours of
operation
1. Turn control knob to LO position and
let warm up for a minute
2. Operate burner until air is removed from
line. Have gas line checked by local pro-
pane/LP gas company
3. Observe minimum installation clear-
ances (see Figures 7 and 8, page 8)
4. Clean burner (see Cleaning and Mainte-
nance, page 19) or replace burner orifice
1. Turn heater off when using furniture
polish, wax, carpet cleaners, or similar
products
TROUBLESHOOTING